Wildfires in Canada have smothered large swaths of the United States in a thick plume of toxic smoke, leading to air quality warnings and advisories to stay inside. But fine particles from the smoke can make their way indoors. Air purifiers can be helpful with filtering out the pollution.
Searches on Google have increased 16 fold since Monday, according to Google trends.
Whirlpool (WHR), one of the largest home goods manufacturers in the world, has seen its stock surge 13.2% over the past five days and by 6.4% on Wednesday alone. The company says that its HEPA purifiers can remove up to 99.97% of bad particles from air.
Shares of Carrier Global (CARR), which makes residential and industrial air purifiers and HVAC units, have gained nearly 11% over the past five days.
Johnson Controls (JCI), which has a number of air filters on the market, has also seen its stock price soar. Shares are up by 8.5% over a five-day period.
The air purifier market is poised to grow as climate change increases air pollution and exacerbates breathing difficulties. A Market Insights report forecasts that the industry is expected to grow at an annual compound rate of 10.8% to $2.9 billion by 2025, and $4.8 billion by 2030.
Outdoor air pollution could cause 6 to 9 million premature deaths a year globally by 2060 and cost $2.6 trillion annually because of sick days, increased medical bills and reduced productivity, according to an Organisation for Economic Co-operation and Development report.